#include<stdio.h>
int AddToTarget(int begin,int end)
{
  int i=begin;
  int sum=0;
  for(;i<=end;i++)
  {
    sum+=i;
  }
  return sum;
}
int main()
{
  printf("run begin...\n");

  int result = 0;
  result = AddToTarget(1,100);
  printf("result:%d\n",result);
  printf("run end...\n");
  return 0;
}
